Preparation

In a saucepan over medium heat, cook onion in oil until softened, about 5 minutes. Stir in garlic and cook 1 minute. Stir in remaining ingredients except peaches. Bring to a boil and then simmer 5 minutes. Add peaches and cook until starting to soften about 3 – 5 minutes. Puree in a blender.

Prepare barbecue. Brush steaks with olive oil and salt and pepper. Grill until desired doneness. Cut extra peaches in half and grill on both sides for about 2 minutes each side.